Ice cube tray



FIG. 1 is a top plan view of the ice cube tray showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image of the side shown herein;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is an end elevational view thereof, the opposite end being a mirror image of the end shown herein. 

The ornamental design for an ice cube tray, as shown. 